1. Verb: To upset or contradict a bias or other prejudice.
2. Noun: A person who is considered an underdog but who has shown that they are extraordinary.

1. "My unpopular and awkward friend, Samuel, pulled a boyle and became the CEO of Tech World.
2. When I saw Susan sing, I asked her, "Okay Boyle, where'd that come from?
3. Susan Boyle showed the world a full and proper boyle on the T.V. show, "Britain's Got Talent". Noone really expected her to sing as well as she did.